public class SearchlastString {
    public static void main(String[] args) {
        String strOrig = "Hello world ,Hello Runoob";
        int lastIndex = strOrig.lastIndexOf("Runoob");
        if (lastIndex == -1) {
            System.out.println("没有找到字符串 Runoob");
        } else {
            System.out.println("Runoob 字符串最后出现的位置： " + lastIndex);
        }
    }
}
